128801880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:758

約数の個数: 128

約数和(自身を含む): 432000000

約数和(自身を除く): 303198120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 239, 270, 360, 478, 499, 540, 717, 956, 998, 1080, 1195, 1434, 1497, 1912, 1996, 2151, 2390, 2495, 2868, 2994, 3585, 3992, 4302, 4491, 4780, 4990, 5736, 5988, 6453, 7170, 7485, 8604, 8982, 9560, 9980, 10755, 11976, 12906, 13473, 14340, 14970, 17208, 17964, 19960, 21510, 22455, 25812, 26946, 28680, 29940, 32265, 35928, 43020, 44910, 51624, 53892, 59880, 64530, 67365, 86040, 89820, 107784, 119261, 129060, 134730, 179640, 238522, 258120, 269460, 357783, 477044, 538920, 596305, 715566, 954088, 1073349, 1192610, 1431132, 1788915, 2146698, 2385220, 2862264, 3220047, 3577830, 4293396, 4770440, 5366745, 6440094, 7155660, 8586792, 10733490, 12880188, 14311320, 16100235, 21466980, 25760376, 32200470, 42933960, 64400940, 128801880]

約数ペア:

[(1, 128801880), (2, 64400940), (3, 42933960), (4, 32200470), (5, 25760376), (6, 21466980), (8, 16100235), (9, 14311320), (10, 12880188), (12, 10733490), (15, 8586792), (18, 7155660), (20, 6440094), (24, 5366745), (27, 4770440), (30, 4293396), (36, 3577830), (40, 3220047), (45, 2862264), (54, 2385220), (60, 2146698), (72, 1788915), (90, 1431132), (108, 1192610), (120, 1073349), (135, 954088), (180, 715566), (216, 596305), (239, 538920), (270, 477044), (360, 357783), (478, 269460), (499, 258120), (540, 238522), (717, 179640), (956, 134730), (998, 129060), (1080, 119261), (1195, 107784), (1434, 89820), (1497, 86040), (1912, 67365), (1996, 64530), (2151, 59880), (2390, 53892), (2495, 51624), (2868, 44910), (2994, 43020), (3585, 35928), (3992, 32265), (4302, 29940), (4491, 28680), (4780, 26946), (4990, 25812), (5736, 22455), (5988, 21510), (6453, 19960), (7170, 17964), (7485, 17208), (8604, 14970), (8982, 14340), (9560, 13473), (9980, 12906), (10755, 11976)]